Description
Ready Dispatch — a stocked QT4-15A block machine configured, tested, and photographed before container loading so your project start date does not slip on a factory promise.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-15A |
| Product Type | Automatic Hydraulic Block Making Machine |
| Overall Dimensions (L×W×H) | 4100×1600×2600 mm |
| Rated Pressure | 16–21 MPa |
| Vibration Form | Platform Vibration |
| Vibration Frequency | 4200 r/min |
| Vibration Force | 55 kN |
| Pallet Size | 880×550 mm |
| Molding Cycle | 25–30 s (basis not stated in source — confirm block format / material / thickness) |
| Overall Power | 18.45 kW |
| Total Mass | 4 T |
| Demolding Method | Hydraulic |
| Recommended Factory Area | 300 m² |
| Automation Level | Fully automatic |
| Raw Materials | Crushed stone, sand, cement, fly ash, gravel, slag |
| Applied Products | Concrete hollow blocks, solid blocks, pavers, interlocking blocks, curbstone, colored pavers |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for masonry walls | Crushed stone, sand, cement with fly ash substitution |
| Solid concrete block manufacturing | Gravel, sand, cement blends |
| Paving block and colored paver runs | Fine aggregate, cement, pigment where applicable |
| Interlocking brick production | Sand, crushed stone, cement within local mix design |
| Curbstone forming for road and site works | Coarse aggregate, cement at higher pressure settings |
Why "In Stock" Still Needs a Configuration Check Before Loading
A machine on the floor is only ready if its voltage, mould set, and pallet size match the site it is heading to.
Every QT4-15A block machine in stock has been built to a default configuration that may not align with your local electrical grid, the block format your market actually buys, or the forklift you already own. I have watched containers leave the yard with a buyer convinced the machine was ready, only to discover the PLC display language was wrong or the pallets did not fit the curing racks already bolted to their factory floor. [NEED_CITE: electrical voltage and frequency standards across export markets]. The dispatch window stays honest only when these variables are locked before the doors close on the container.
What Stock Availability Actually Means for Your Timeline
When we say the QT4-15A block machine in stock is available, the frame, hydraulic station, and vibration platform have passed factory testing and are staged for dismantling and container loading. The lead time you receive accounts for the remaining steps: confirming your mould configuration, matching the pallet material to your curing method, and verifying that the electrical cabinet speaks the language your operators read. These are measured in days, not the weeks a built-to-order unit demands.
Where the Clock Stops If You Skip the Pre-Load Check
Shipping a QT4-15A block machine in stock without confirming the control voltage and frequency can turn a fast dispatch into a slow commissioning. I have seen a unit arrive in West Africa with a 380 V / 50 Hz cabinet when the local grid runs 440 V / 60 Hz — the machine sat idle until a transformer was sourced locally. [NEED_CITE: consequences of voltage mismatch on hydraulic block press motors]. Locking these details before the container is sealed is the difference between a short lead time and a long delay.
How Pressure and Vibration Shape the Block You Sell
The QT4-15A applies 16–21 MPa of hydraulic pressure alongside 55 kN of platform vibration at 4200 r/min. Pressure compacts the mix downward while vibration settles fine aggregate into voids; together they determine whether a hollow block leaves the mould dense enough to survive pallet handling without corner breaks. If the local sand carries high clay content, vibration alone will not clean the voids — the pressure curve and cycle timing need adjustment, which is why we ask for a material test report before the machine leaves the floor.
Pallet Footprint and Factory Floor Geometry
An 880×550 mm pallet sets the maximum block footprint per cycle and dictates how many blocks cure on a single rack tier. If your existing curing area was laid out for a different pallet dimension, the mismatch shows up as either wasted rack space or pallets that cannot enter the rack at all. The 300 m² recommended factory area gives a baseline for press space, mixer placement, and raw material staging, but the curing yard and forklift turning radius are yours to measure before the QT4-15A ships.
The Cost That Does Not Appear on the Invoice
A buyer who orders a stocked machine on lead time alone, without confirming which block formats the included moulds produce, often discovers the hollow block mould is present but the paver mould is a separate purchase. The machine arrives on schedule, production starts, and then a customer order for interlocking bricks cannot be filled because the mould was never in the container. [NEED_CITE: mould configuration gaps in block machine procurement]. The QT4-15A block machine in stock avoids this only when the mould list is reviewed line by line against the buyer’s product range before dispatch.
Why Buyers Working to a Deadline Source Here
Single-focus machinery sourcing means the press, moulds, pallets, and handling equipment are specified as one matched system rather than assembled from unrelated suppliers. Every stocked unit is built around block making, so configuration questions about pallet material and mould change time have direct answers, not catalogue guesses. Factory test records are generated on the actual block format the buyer will run, not a generic cycle. Container loading plans and dismantling sequences are documented so reassembly on site follows a known path. [NEED_CITE: factory test and packing documentation standards for export machinery].
Documentation & Verification
- Factory test record run on your target block format before the machine leaves the floor
- Mould drawing and format list confirming every block type included in the container
- Pallet specification sheet matched to your curing rack dimensions and forklift capacity
- Voltage, frequency, and PLC display language confirmation signed off before dispatch
- Packing photographs taken at container loading for your records and customs clearance
Installation, Commissioning & Support
- Foundation pad leveled to support the 4 T mass and vibration loads of the QT4-15A platform
- Dedicated electrical circuit sized for the 18.45 kW total draw with correct voltage and frequency
- Machine dismantled for container loading and reassembled on site per the hydraulic and electrical schematics
- First-run parameter tuning against your local aggregate mix and target block strength
- Operator training covering mould change procedure, daily maintenance, and pallet handling flow
- Wear parts list provided so hydraulic seals and vibration components are reorderable locally
What We Need Before We Quote a Dispatch Date
Send the block format your market moves most — dimensions, wall thickness, and whether it is hollow, solid, or paving. Include a local aggregate description or test report so the vibration and pressure settings can be matched before the QT4-15A block machine in stock is assigned to your order. Confirm the site voltage and frequency, and tell us the pallet size your curing racks currently accept so nothing arrives incompatible.
Frequently Asked Questions
Q: What is the dispatch lead time for the QT4-15A, and is the machine currently in stock or built-to-order?
A: The QT4-15A is stocked and available for container loading once the buyer confirms mould configuration, voltage, frequency, and control language. Dispatch follows a short preparation window for final checks and dismantling rather than a full production cycle. Lead time is quoted in days from confirmation, not weeks.
Q: Which block format does the quoted 25–30 s cycle time assume, and how does daily output change for other formats?
A: The 25–30 s molding cycle is listed without a stated block format or mix basis. Daily output varies depending on block size, wall thickness, and local aggregate behavior. We confirm the cycle time against the buyer’s specific target format before quoting a realistic daily production figure.
Q: What voltage, frequency, and control language does the stocked machine carry — can it be changed before loading?
A: The electrical cabinet is configured to a default that may not match every export market. Voltage, frequency, and PLC display language must be confirmed with the buyer and adjusted before container loading. Changes after shipment cause commissioning delays that outweigh the time saved by ordering stock.
Q: What is included in the container — machine only, or moulds, pallets, and handling equipment as well?
A: The container contents depend on the configuration agreed before dispatch. The QT4-15A press, selected moulds, and pallets are included as specified. Handling equipment such as stackers or curing rack systems is quoted separately and listed on the packing document so the buyer knows exactly what arrives.
Q: How are the machine and moulds dismantled for shipment, and what is needed on-site for reassembly and first run?
A: The QT4-15A is dismantled into major assemblies for container loading, with hydraulic and electrical connections documented in the schematics provided. On-site reassembly requires a leveled foundation, the confirmed power supply, and basic rigging equipment. First-run tuning is completed against the buyer’s local mix and block format.
